CertainTeed Corporation

MemBrain

MemBrain from CertainTeed acts like a traditional vapor retarder to protect wall cavities while also allowing closed building envelope systems to increase drying potential. Designed for application over unfaced fiberglass insulation, loose-fill applications and spray foam, the polyamide-based material reduces risk and liability due to moisture problems like mold, mildew, rot and respiratory health problems. 

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